#include<stdio.h>

int main (int argc, char*argv[])
{
	int month;
BEGIN:
	scanf("%d", &month);
	if(1>month||12<month){
		printf("请重新输入：");
		goto BEGIN;
	}
	if(3<=month&&5>=month){
		printf("春天来啦~\n");
	}else if(6<=month&&8>=month){
		printf("夏天到啦~\n");
	}else if(9<=month&&11>=month){
		printf("秋天呼呼呼~\n");
	}else{
		printf("冬天\n");
	}
	return 0;
}

